Kastamonu Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kastamonu.
Climate overview of Kastamonu
The climate in Kastamonu, Black Sea Region Turkey, Turkey, is marked by large temperature swings across the seasons, ranging from 28°C (82°F) in August to 4°C (39°F) in January.
Annual rain/snowfall is moderate at around 756 mm (30 in), with May being the wettest month. The city also has a distinct dry season from July to August, with warm summers and cold winters.
Kastamonu Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kastamonu - and find the best time to visit.
Monthly Temperature in Kastamonu
In Kastamonu, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 28°C (82°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 4°C (39°F).
At night, temperatures range from around 14°C (57°F) in August to -5°C (23°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kastamonu
On average, Kastamonu receives a reasonable amount of rain/snowfall, with an annual precipitation of 756 mm (30 in). Kastamonu can be quite wet during May, receiving approximately 93 mm (3.7 in) of precipitation over 15 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 33 mm (1.3 in) of precipitation spread across 6 rainy days. For more details, please visit our Kastamonu Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Kastamonu
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Fewest rainy days: July, August and September
- Seasonal pattern: A distinct dry season from July to August, with warm summers and cold winters
- Coldest conditions: January, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Kastamonu
What is the best time to visit Kastamonu?
May, June, July, August and September typically offer the most optimal weather in Kastamonu. In contrast, January, February, March and December tend to have less optimal conditions. Kastamonu has a distinct dry season from July to August, with warm summers and cold winters.
What temperatures can I expect in Kastamonu?
Daytime highs range from 4°C (39°F) in January to 28°C (82°F) in August. Nighttime lows range from -5°C (23°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Kastamonu get?
Annual rainfall is around 756 mm (30 in). May is the wettest month with 93 mm (3.7 in), while August is the driest with 33 mm (1.3 in).
Kastamonu 3-Day Forecast
Kastamonu on the map
Kastamonu is highlighted - select any city to see its climate.
Popular this month
Where to go in September - average daytime high across popular destinations.
Antalya
31°C (88°F) Side
30°C (86°F) Fethiye30°C (86°F) Oludeniz30°C (86°F) Alanya28°C (82°F) Alacati
26°C (79°F) Istanbul25°C (77°F) Trabzon
23°C (73°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
An idyllic and beautiful place to stay and eat near Saklikent National Park in Turkey
Serene Saklikent National Park near Fethiye, Turkey, with breathtaking gorges, tranquil restaurant, and unique experiences in nature. Perfect for a peaceful escape.
Sailing the Turquoise Coast: Discovering Turkey's Blue Voyage
Discover the beauty of Turkey's Turquoise Coast on a sailboat adventure, exploring ancient ruins, sun-soaked beaches, and lively harbor towns.
Balloon in Cappadocia Turkey
The best view of the special landscape of Cappadocia is from the air. It is a great idea to take a balloon trip at sunrise. An experience that belongs on your bucket list.
Istanbul, where East meets West
Istanbul, one of the most amazing cities in the world. It's a buzzing city and a mix of European and Asian, like a summer day in Madrid with a touch of Bangkok.